Ama-phytosterols , noma ama-sterols ezitshalo, asetshenziselwe ukukwazi ukusiza amazinga e- LDL ama- cholesterol aphansi. Ucwaningo oluthile luye lwafinyelela ekunciphiseni kwe-15% kumazinga e-LDL uma uthatha noma yikuphi phakathi kuka-2 no-3 amagremu ama-phytosterol nsuku zonke. Abakhiqizi abaningi baye baphawula, bebeka ama-phytosterol ekudleni okuningi - njengokusabalalisa nokudla okulula - kanye namavithamini.
Kodwa ingabe ziphephile ukuthatha isikhathi eside?
Nakuba kunezifundo eziningi zesikhashana ezibonisa ukuthi ama-phytosterols anganciphisa i-LDL, akusikho ucwaningo olwanele olwenziwe ukuhlola imiphumela yesikhathi eside ye-phytosterol supplementation kubantu. Ngokuyinhloko, i-phytosterol ibekezelela kahle uma kuqala, futhi kuphela abantu ababhekana nemiphumela emibi njengokuqothulwa, ukuvinjelwa, noma isisu esithukuthele.
Kodwa-ke, ukuhlola okubheka imiphumela engaba khona yesikhathi eside ekudaluleni i-phytosterol supplementation yimbalwa kakhulu - futhi iphikisana. Ucwaningo oluthile luthi ukudla okuphezulu kwama phytosterol akukwenzanga nje ukunciphisa i-LDL yakho - kungase kube nomthelela ongathathi hlangothi noma kunciphise ingozi yesifo senhliziyo. Ngakolunye uhlangothi, kunezici ezimbalwa zezifundo ezibonisa ukuthi ukudla okuningi kwama-phytosterol isikhathi eside kungandisa amathuba okuba nesifo senhliziyo.
Umcabango wokuthi ama-phytosterol angabangela ukutholakala kwesifo sokuqina kwesifo somzimba ikakhulukazi avela ekubonweni kwabantu nasezilwaneni ezidla ama-phytosterol nesimo esibizwa ngokuthi i- sitosterolemia .
I-Sitosterolemia, noma i-phytosterolemia, yisimo esingavamile, esizuzwe njengefa esibangele ukwandisa ama-phytosterol (ngokuyinhloko i-sitosterol) egazini, okwenza ukuba baqoqe emzimbeni bese befaka ngaphakathi kwamathambo. Kulezi zifundo, ukwandiswa kwe-phytosterol emagundwini namagundane kwaholela ekwenzeni ukusheshiswa kwama- atherosclerotic plaques aqukethe i-sitosterol.
Ucwaningo olulodwa lwaphawula ukuthi ukwanda okukhulu kwe-sitosterol egazini futhi kwaphumela ekukhuleni kwezimpawu zenhliziyo emadodeni asevele enesifo senhliziyo.
Ukwengeza, kucatshangwa ukuthi ukusetshenziswa kwesikhathi eside kokudla okungeziwe ngama-phytosterol kungabangela ukwehla okuncane kakhulu ekuthatheni kwamavithamini athile anamafutha amaningi kanye nama-antioxidants, njenge-beta-carotene, ngokuhamba kwesikhathi.
Ngenxa yokuthi izifundo ezihlola lezi zici ziphikisana, kuzodingeka ulwazi oluthe xaxa ukuze kunqume ukuthi yiziphi izinkinga, uma zikhona, ezibangelwa ukusetshenziswa kwezidakamizwa zokudla kanye namaphilisi isikhathi eside.
Ngakho-ke, uma ucabangela ukuthatha izithako ze-phytosterol noma ukudla okungeziwe ngama-phytosterol, kodwa ukhathazekile ngokuntuleka kolwazi ngokuphepha kwesikhathi eside, ungacabangela ukuthola iziqu zakho zemvelo ngokudla okunempilo okufana nalokhu:
- Izithelo
- Imifino
- Amantongomane
- Ukudla okuphelele
Kuze kube okunye okuyaziwa mayelana ne-phytosterol supplementation yesikhathi eside, iKomiti Yokudla ye-American Heart Association itusa ukuthi ama-phytosterol - noma ahlanganiswe ekudleni noma epilisi - kufanele asetshenziswe kuphela kubantu abane-cholesterol ephelele kanye / noma i-LDL cholesterol amazinga.
Imithombo:
UMalinowski JM noGehret MM. Ama-phytosterols we-dyslipidemia. Am J Health Syst Pharm 2010; 67; 1165-1173.
Pinedo S, Vissers MN, Von Bergmann K et al. Amazinga omzimba we-plant sterols kanye nobungozi bokugula kwesifo somzimba: ozoba yi-EPIC-Norfolk Population Study. J. Lipid Res. 2007. 48: 139-144.
I-Strandberg TE, i-Gylling H, i-Tilvis RS, et al. Isitshalo se-serum nezinye izinhlobo ze-noncholesterol sterols, i-cholesterol metabolism kanye nokufa kwabantu abaneminyaka engu-22 phakathi kwamadoda amadala. I-aestrosclerosis 210 (2010) 282-287.
UFassbender K, uLutjohann D, Dik MG, et al. Amazinga e-plant sterol asezingeni eliphezulu ahlotshaniswa nenengozi yesifo senhliziyo-isifundo seLASA. I-aestrosclerosis 196 (2008) 283-288.
I-Silbernagel G, i-Baumgartner I, uMarz W. Ukuphepha kwengqondo ye-plant sterol nesitshalo se-stanol ukusetshenziswa. J AOAC 2015; 98: 739-741.